Uruguay and argentina’s are two of the

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

All of the following occurred due to the invention of the railroad except

Less developed nations have low literacy rates. true or false